Add support for omnibox.onInputStarted and onInputCancelled.

chrome/browser/autocomplete/autocomplete.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/autocomplete/autocomplete.h"
 
 #include <algorithm>
 
 #include "app/l10n_util.h"
 #include "base/basictypes.h"
@@ skipping 791 matching lines @@
     if (synchronous_only)
       DCHECK((*i)->done());
   }
   CheckIfDone();
   UpdateLatestResult(true);
 }
 
 void AutocompleteController::Stop(bool clear_result) {
   for (ACProviders::const_iterator i(providers_.begin()); i != providers_.end();
        ++i) {
-    if (!(*i)->done())
-      (*i)->Stop();
+    (*i)->Stop();
   }
 
   update_delay_timer_.Stop();
   updated_latest_result_ = false;
   delay_interval_has_passed_ = false;
   done_ = true;
   if (clear_result && !result_.empty()) {
     result_.Reset();
     NotificationService::current()->Notify(
         NotificationType::AUTOCOMPLETE_CONTROLLER_RESULT_UPDATED,
@@ skipping 199 matching lines @@
 void AutocompleteController::CheckIfDone() {
   for (ACProviders::const_iterator i(providers_.begin()); i != providers_.end();
        ++i) {
     if (!(*i)->done()) {
       done_ = false;
       return;
     }
   }
   done_ = true;
 }